Vulnerability CVE-2021-38593

Vulnerability Name:

CVE-2021-38593 (CCN-207364)

Assigned:

2021-06-25

Published:

2021-06-25

Updated:

2023-01-19

Summary:

Qt 5.x before 5.15.6 and 6.x through 6.1.2 has an out-of-bounds write in QOutlineMapper::convertPath (called from QRasterPaintEngine::fill and QPaintEngineEx::stroke).

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-38593

Source: CCN
Type: Google Security Research Issue 35566
qt:qtsvg_svg_qsvgrenderer_render: Crash in QOutlineMapper::convertPath

Source: cve@mitre.org
Type: Issue Tracking, Patch, Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
qt-cve202138593-dos(207364)

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Issue Tracking, Release Notes, Vendor Advisory
cve@mitre.org

Source: CCN
Type: IBM Security Bulletin 6837297 (App Connect Enterprise Certified Container)
IBM App Connect Enterprise Certified Container operands may be vulnerable to denial of service due to CVE-2021-38593

Source: CCN
Type: Qt Web site
Qt

Source: cve@mitre.org
Type: Release Notes
cve@mitre.org

Vulnerable Configuration:

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration RedHat 3:

cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

Configuration CCN 1:

cpe:/a:qt:qt:5.0.0:*:*:*:*:*:*:*

OR cpe:/a:qt:qt:6.1.2:*:*:*:*:*:*:*

AND

cpe:/a:ibm:app_connect_enterprise_certified_container:4.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.redhat.rhsa:def:20221796	P	RHSA-2022:1796: qt5-qtbase security update (Moderate)	2022-05-10

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